:root {
  --bg: #0b0c14;
  --surface: #151725;
  --surface-2: #1e2136;
  --border: rgba(255, 255, 255, 0.1);
  --text: #f4f4f7;
  --text-soft: rgba(244, 244, 247, 0.6);
  --accent: #eab308;
  --accent-alt: #6366f1;
  --danger: #ef4444;
  --success: #22c55e;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    sans-serif;
  font-weight: 600;
}

h1,
h2,
h3 {
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
}

button {
  font-family: inherit;
  font-weight: 700;
  border: none;
  cursor: pointer;
  border-radius: 999px;
  transition:
    transform 0.15s ease,
    filter 0.15s ease;
}

button:active {
  transform: scale(0.96);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #14161f;
  padding: 14px 22px;
  font-size: 1rem;
}

.btn-primary:hover:not(:disabled) {
  filter: brightness(1.08);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.player-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}